diff options
Diffstat (limited to 'drivers/net/dsa/ocelot/felix.h')
| -rw-r--r-- | drivers/net/dsa/ocelot/felix.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h index b2ea425c5803..4d96cad815d5 100644 --- a/drivers/net/dsa/ocelot/felix.h +++ b/drivers/net/dsa/ocelot/felix.h @@ -23,6 +23,19 @@ struct felix_info { int switch_pci_bar; int imdio_pci_bar; const struct ptp_clock_info *ptp_caps; + + /* Some Ocelot switches are integrated into the SoC without the + * extraction IRQ line connected to the ARM GIC. By enabling this + * workaround, the few packets that are delivered to the CPU port + * module (currently only PTP) are copied not only to the hardware CPU + * port module, but also to the 802.1Q Ethernet CPU port, and polling + * the extraction registers is triggered once the DSA tagger sees a PTP + * frame. The Ethernet frame is only used as a notification: it is + * dropped, and the original frame is extracted over MMIO and annotated + * with the RX timestamp. + */ + bool quirk_no_xtr_irq; + int (*mdio_bus_alloc)(struct ocelot *ocelot); void (*mdio_bus_free)(struct ocelot *ocelot); void (*phylink_validate)(struct ocelot *ocelot, int port, |